Activity Guide - Context Data - dynamic assignment from query results

I want to be able to dynamically assign an Activity Guide based on query results.  Just like the ID is taken from query results and populated as a Context Data upon assignment, I want the query results for ACAD_PLAN to be a Context Data item (ID "x" has a plan of "ABC123").  It would be great if the DESCR would show (Accounting rather than ABC123), but I’d settle for the actual plan code at this point.  I could do it with 41 unique Run Controls, one for each Plan and Context Data = Runtime, but that's insane even for a